they are teeth that contain brain cells. only 4 teeth in each persons lifetime contain brain cells that are connected to your cerebral cortex. thus the name 'wisdom teeth'.. but unfortunately... these teeth need removal because they grow incorrect and or in tight spaces , 100% of the time. thats why humans dont use their mind to the full capacity. because wisdom tooth removal practically mandatory.. however there are those that have kept theres in.. due to genetics.. notable people such as einstein,hawkings, and froste